chore(package): update husky to version 2.5.0

Closes #36

Author: greenkeeper[bot]

package.json

@@ -54,7 +54,7 @@
     "core-js": "^2.6.5",
     "cross-env": "^5.2.0",
     "cross-var": "^1.1.0",
-    "husky": "^1.3.1",
+    "husky": "^2.5.0",
     "npm-run-all": "^4.1.5",
     "nyc": "^13.3.0",
     "shx": "^0.3.2",